From: Lucas De Marchi Date: Wed, 13 Nov 2019 02:19:35 +0000 (-0800) Subject: drm/i915/tgl: allow DVI/HDMI on port A X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=523e0cc89b83;p=linux.git drm/i915/tgl: allow DVI/HDMI on port A Tiger Lake supports HDMI on port A. For other platforms we ignore what the VBT says regarding HDMI to workaround broken VBTs, see commit 2ba7d7e04371 ("drm/i915/bios: ignore HDMI on port A"). Make this apply gen12+ so they inherit the TGL behavior. Signed-off-by: Lucas De Marchi Reviewed-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20191113021935.41547-1-lucas.demarchi@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index f345f8d900d24..6d7b1a83cb075 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1450,7 +1450,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, is_hdmi = is_dvi && (child->device_type & DEVICE_TYPE_NOT_HDMI_OUTPUT) == 0; is_edp = is_dp && (child->device_type & DEVICE_TYPE_INTERNAL_CONNECTOR); - if (port == PORT_A && is_dvi) { + if (port == PORT_A && is_dvi && INTEL_GEN(dev_priv) < 12) { DRM_DEBUG_KMS("VBT claims port A supports DVI%s, ignoring\n", is_hdmi ? "/HDMI" : ""); is_dvi = false; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index ed4a68fb351f8..659a03b088493 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3140,7 +3140,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n", intel_encoder->base.base.id, intel_encoder->base.name); - if (WARN_ON(port == PORT_A)) + if (INTEL_GEN(dev_priv) < 12 && WARN_ON(port == PORT_A)) return; if (WARN(intel_dig_port->max_lanes < 4,